Poly Voyager 4320-UC Wireless Bluetooth Stereo Headset with Noise-Canceling Microphones, Microsoft Teams Certified, USB-A BT700 Adapter – 76U49AA
The Poly Voyager 4320-UC Wireless Bluetooth Stereo Headset (76U49AA) is a versatile hybrid work solution designed for professionals who demand mobility, clarity, and seamless device connectivity. Featuring advanced noise-canceling dual microphones and Acoustic Fence technology, this headset minimizes background distractions while delivering rich stereo audio for calls and multimedia. With both wireless Bluetooth capability and optional wired USB connectivity, plus the included USB-A BT700 adapter for extended range and stable performance, the Voyager 4320-UC ensures consistent communication across laptops, desktops, and mobile devices. Microsoft Teams certification guarantees smooth integration for enhanced collaboration and productivity in modern work environments.
Product Features
Advanced Dual Noise-Canceling Microphones
Dual-mic Acoustic Fence technology reduces ambient noise and enhances voice clarity, ensuring professional-grade call quality in busy offices or remote settings.
Wireless Bluetooth and Wired USB Connectivity
Enjoy the freedom of Bluetooth wireless connectivity or switch to wired USB mode when needed. The included BT700 USB-A adapter provides reliable, extended-range connection to PCs and laptops.
Microsoft Teams Certified Performance
Certified for Microsoft Teams, the headset offers seamless integration, dedicated Teams functionality, and optimized call performance for enterprise collaboration.
Long-Lasting Battery Life
Supports extended talk time and all-day use on a single charge, making it ideal for professionals working long shifts or back-to-back meetings.
Comfortable, Lightweight Design
An adjustable padded headband and soft ear cushions provide comfort for prolonged wear, while the binaural design enhances focus by reducing external distractions.
Dynamic Audio Optimization
Automatic audio tuning enhances voice clarity during calls and optimizes sound quality for music and multimedia playback.
Flexible Device Compatibility
Connects easily to PCs, Macs, smartphones, and tablets via Bluetooth or USB-A, supporting unified communications platforms across multiple devices.
Product Specifications
- Brand: Poly
- Model: Voyager 4320-UC
- Manufacturer Part Number: 76U49AA
- Wearing Style: Over-the-head, binaural (stereo)
- Connectivity: Bluetooth wireless and USB wired
- Bluetooth Version: Bluetooth 5.2
- Wireless Range: Up to 164 ft (50 m) with BT700 adapter
- Included Adapter: USB-A BT700 Bluetooth adapter
- Microphone Type: Dual noise-canceling microphones with Acoustic Fence technology
- Talk Time: Up to 24 hours
- Listening Time: Up to 47 hours
- Standby Time: Up to 50 days
- Charging Time: Approximately 1.6 hours
- Audio Type: Stereo
- Controls: Call answer/end, mute, volume control, power
- Compatibility: Windows, macOS, iOS, Android
- Certification: Microsoft Teams certified, UC compatible
- Weight: Approximately 5.7 oz (162 g)
- Battery Type: Rechargeable lithium-ion
- Warranty: Manufacturer limited warranty




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